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42143130242351 = 237162114155077
BaseRepresentation
bin10011001010100001101100…
…10011101100110100101111
312112012211210012120112021122
421211100312103230310233
521010433112320223401
6225344141535051155
711606512024404065
oct1145206623546457
9175184705515248
1042143130242351
111247888a397446
124887755070abb
131a69107077218
14a59a4a1c4035
154d138d63a21b
hex2654364ecd2f

42143130242351 has 16 divisors (see below), whose sum is σ = 44602003358208. Its totient is φ = 39736653818400.

The previous prime is 42143130242329. The next prime is 42143130242377. The reversal of 42143130242351 is 15324203134124.

It is not a de Polignac number, because 42143130242351 - 210 = 42143130241327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143130242651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8065025 + ... + 12220101.

It is an arithmetic number, because the mean of its divisors is an integer number (2787625209888).

Almost surely, 242143130242351 is an apocalyptic number.

42143130242351 is a deficient number, since it is larger than the sum of its proper divisors (2458873115857).

42143130242351 is a wasteful number, since it uses less digits than its factorization.

42143130242351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161382.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 42143130242351 its reverse (15324203134124), we get a palindrome (57467333376475).

The spelling of 42143130242351 in words is "forty-two trillion, one hundred forty-three billion, one hundred thirty million, two hundred forty-two thousand, three hundred fifty-one".

Divisors: 1 23 71 1633 6211 142853 440981 4155077 10142563 95566771 295010467 6785240741 25807183247 593565214681 1832310010537 42143130242351